What ac­tu­ally hap­pens at a crime scene?

WE’VE ALL GOT A BIT OF A MORBID FAS­CI­NA­TION WITH CRIME, BUT WOULD IT DRIVE YOU TO GIVE UP YOUR 9-5 AND EM­BARK ON A CA­REER IN CLEAN­ING UP THE MESS LEFT BE­HIND? WELL, THAT’S WHAT DONNA NAYLER DID…